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libreoffice/vcl/source/outdev/text.cxx
Daniel Baumann 8e63e14cf6
Adding upstream version 4:25.2.3. 
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
2025-06-22 16:20:04 +02:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#include <sal/config.h>
#include <sal/log.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/matrix/b2dhommatrixtools.hxx>
#include <tools/lineend.hxx>
#include <tools/debug.hxx>
#include <comphelper/configuration.hxx>
#include <vcl/ctrl.hxx>
#include <vcl/metaact.hxx>
#include <vcl/metric.hxx>
#include <vcl/mnemonic.hxx>
#include <vcl/textrectinfo.hxx>
#include <vcl/virdev.hxx>
#include <vcl/sysdata.hxx>
#include <ImplLayoutArgs.hxx>
#include <ImplOutDevData.hxx>
#include <drawmode.hxx>
#include <salgdi.hxx>
#include <svdata.hxx>
#include <textlayout.hxx>
#include <textlineinfo.hxx>
#include <impglyphitem.hxx>
#include <TextLayoutCache.hxx>
#include <font/PhysicalFontFace.hxx>
#include <memory>
#include <optional>
#define TEXT_DRAW_ELLIPSIS (DrawTextFlags::EndEllipsis | DrawTextFlags::PathEllipsis | DrawTextFlags::NewsEllipsis)
void OutputDevice::SetLayoutMode( vcl::text::ComplexTextLayoutFlags nTextLayoutMode )
{
if( mpMetaFile )
mpMetaFile->AddAction( new MetaLayoutModeAction( nTextLayoutMode ) );
mnTextLayoutMode = nTextLayoutMode;
if( mpAlphaVDev )
mpAlphaVDev->SetLayoutMode( nTextLayoutMode );
}
void OutputDevice::SetDigitLanguage( LanguageType eTextLanguage )
{
if( mpMetaFile )
mpMetaFile->AddAction( new MetaTextLanguageAction( eTextLanguage ) );
meTextLanguage = eTextLanguage;
if( mpAlphaVDev )
mpAlphaVDev->SetDigitLanguage( eTextLanguage );
}
void OutputDevice::ImplInitTextColor()
{
DBG_TESTSOLARMUTEX();
if ( mbInitTextColor )
{
mpGraphics->SetTextColor( GetTextColor() );
mbInitTextColor = false;
}
}
OUString OutputDevice::GetEllipsisString( const OUString& rOrigStr, tools::Long nMaxWidth,
DrawTextFlags nStyle ) const
{
vcl::DefaultTextLayout aTextLayout(*const_cast< OutputDevice* >(this));
return aTextLayout.GetEllipsisString(rOrigStr, nMaxWidth, nStyle);
}
void OutputDevice::ImplDrawTextRect( tools::Long nBaseX, tools::Long nBaseY,
tools::Long nDistX, tools::Long nDistY, tools::Long nWidth, tools::Long nHeight )
{
tools::Long nX = nDistX;
tools::Long nY = nDistY;
Degree10 nOrientation = mpFontInstance->mnOrientation;
if ( nOrientation )
{
// Rotate rect without rounding problems for 90 degree rotations
if ( !(nOrientation % 900_deg10) )
{
if ( nOrientation == 900_deg10 )
{
tools::Long nTemp = nX;
nX = nY;
nY = -nTemp;
nTemp = nWidth;
nWidth = nHeight;
nHeight = nTemp;
nY -= nHeight;
}
else if ( nOrientation == 1800_deg10 )
{
nX = -nX;
nY = -nY;
nX -= nWidth;
nY -= nHeight;
}
else /* ( nOrientation == 2700 ) */
{
tools::Long nTemp = nX;
nX = -nY;
nY = nTemp;
nTemp = nWidth;
nWidth = nHeight;
nHeight = nTemp;
nX -= nWidth;
}
}
else
{
nX += nBaseX;
nY += nBaseY;
// inflate because polygons are drawn smaller
tools::Rectangle aRect( Point( nX, nY ), Size( nWidth+1, nHeight+1 ) );
tools::Polygon aPoly( aRect );
aPoly.Rotate( Point( nBaseX, nBaseY ), mpFontInstance->mnOrientation );
ImplDrawPolygon( aPoly );
return;
}
}
nX += nBaseX;
nY += nBaseY;
mpGraphics->DrawRect( nX, nY, nWidth, nHeight, *this ); // original code
}
void OutputDevice::ImplDrawTextBackground( const SalLayout& rSalLayout )
{
const double nWidth = rSalLayout.GetTextWidth();
const basegfx::B2DPoint aBase = rSalLayout.DrawBase();
const tools::Long nX = aBase.getX();
const tools::Long nY = aBase.getY();
if ( mbLineColor || mbInitLineColor )
{
mpGraphics->SetLineColor();
mbInitLineColor = true;
}
mpGraphics->SetFillColor( GetTextFillColor() );
mbInitFillColor = true;
ImplDrawTextRect( nX, nY, 0, -(mpFontInstance->mxFontMetric->GetAscent() + mnEmphasisAscent),
nWidth,
mpFontInstance->mnLineHeight+mnEmphasisAscent+mnEmphasisDescent );
}
tools::Rectangle OutputDevice::ImplGetTextBoundRect( const SalLayout& rSalLayout ) const
{
basegfx::B2DPoint aPoint = rSalLayout.GetDrawPosition();
tools::Long nX = aPoint.getX();
tools::Long nY = aPoint.getY();
double nWidth = rSalLayout.GetTextWidth();
tools::Long nHeight = mpFontInstance->mnLineHeight + mnEmphasisAscent + mnEmphasisDescent;
nY -= mpFontInstance->mxFontMetric->GetAscent() + mnEmphasisAscent;
if ( mpFontInstance->mnOrientation )
{
tools::Long nBaseX = nX, nBaseY = nY;
if ( !(mpFontInstance->mnOrientation % 900_deg10) )
{
tools::Long nX2 = nX+nWidth;
tools::Long nY2 = nY+nHeight;
Point aBasePt( nBaseX, nBaseY );
aBasePt.RotateAround( nX, nY, mpFontInstance->mnOrientation );
aBasePt.RotateAround( nX2, nY2, mpFontInstance->mnOrientation );
nWidth = nX2-nX;
nHeight = nY2-nY;
}
else
{
// inflate by +1+1 because polygons are drawn smaller
tools::Rectangle aRect( Point( nX, nY ), Size( nWidth+1, nHeight+1 ) );
tools::Polygon aPoly( aRect );
aPoly.Rotate( Point( nBaseX, nBaseY ), mpFontInstance->mnOrientation );
return aPoly.GetBoundRect();
}
}
return tools::Rectangle( Point( nX, nY ), Size( nWidth, nHeight ) );
}
bool OutputDevice::ImplDrawRotateText( SalLayout& rSalLayout )
{
tools::Long nX = rSalLayout.DrawBase().getX();
tools::Long nY = rSalLayout.DrawBase().getY();
tools::Rectangle aBoundRect;
rSalLayout.DrawBase() = basegfx::B2DPoint( 0, 0 );
rSalLayout.DrawOffset() = basegfx::B2DPoint{ 0, 0 };
if (basegfx::B2DRectangle r; rSalLayout.GetBoundRect(r))
{
aBoundRect = SalLayout::BoundRect2Rectangle(r);
}
else
{
// guess vertical text extents if GetBoundRect failed
double nRight = rSalLayout.GetTextWidth();
tools::Long nTop = mpFontInstance->mxFontMetric->GetAscent() + mnEmphasisAscent;
tools::Long nHeight = mpFontInstance->mnLineHeight + mnEmphasisAscent + mnEmphasisDescent;
aBoundRect = tools::Rectangle( 0, -nTop, nRight, nHeight - nTop );
}
// cache virtual device for rotation
if (!mpOutDevData->mpRotateDev)
mpOutDevData->mpRotateDev = VclPtr<VirtualDevice>::Create(*this);
VirtualDevice* pVDev = mpOutDevData->mpRotateDev;
// size it accordingly
if( !pVDev->SetOutputSizePixel( aBoundRect.GetSize() ) )
return false;
const vcl::font::FontSelectPattern& rPattern = mpFontInstance->GetFontSelectPattern();
vcl::Font aFont( GetFont() );
aFont.SetOrientation( 0_deg10 );
aFont.SetFontSize( Size( rPattern.mnWidth, rPattern.mnHeight ) );
pVDev->SetFont( aFont );
pVDev->SetTextColor( COL_BLACK );
pVDev->SetTextFillColor();
if (!pVDev->InitFont())
return false;
pVDev->ImplInitTextColor();
// draw text into upper left corner
rSalLayout.DrawBase().adjustX(-aBoundRect.Left());
rSalLayout.DrawBase().adjustY(-aBoundRect.Top());
rSalLayout.DrawText( *pVDev->mpGraphics );
Bitmap aBmp = pVDev->GetBitmap( Point(), aBoundRect.GetSize() );
if ( aBmp.IsEmpty() || !aBmp.Rotate( mpFontInstance->mnOwnOrientation, COL_WHITE ) )
return false;
// calculate rotation offset
tools::Polygon aPoly( aBoundRect );
aPoly.Rotate( Point(), mpFontInstance->mnOwnOrientation );
Point aPoint = aPoly.GetBoundRect().TopLeft();
aPoint += Point( nX, nY );
// mask output with text colored bitmap
GDIMetaFile* pOldMetaFile = mpMetaFile;
tools::Long nOldOffX = mnOutOffX;
tools::Long nOldOffY = mnOutOffY;
bool bOldMap = mbMap;
mnOutOffX = 0;
mnOutOffY = 0;
mpMetaFile = nullptr;
EnableMapMode( false );
DrawMask( aPoint, aBmp, GetTextColor() );
EnableMapMode( bOldMap );
mnOutOffX = nOldOffX;
mnOutOffY = nOldOffY;
mpMetaFile = pOldMetaFile;
return true;
}
void OutputDevice::ImplDrawTextDirect( SalLayout& rSalLayout,
bool bTextLines)
{
if( mpFontInstance->mnOwnOrientation )
if( ImplDrawRotateText( rSalLayout ) )
return;
auto nOldX = rSalLayout.DrawBase().getX();
if( HasMirroredGraphics() )
{
tools::Long w = IsVirtual() ? mnOutWidth : mpGraphics->GetGraphicsWidth();
auto x = rSalLayout.DrawBase().getX();
rSalLayout.DrawBase().setX( w - 1 - x );
if( !IsRTLEnabled() )
{
OutputDevice *pOutDevRef = this;
// mirror this window back
tools::Long devX = w-pOutDevRef->mnOutWidth-pOutDevRef->mnOutOffX; // re-mirrored mnOutOffX
rSalLayout.DrawBase().setX( devX + ( pOutDevRef->mnOutWidth - 1 - (rSalLayout.DrawBase().getX() - devX) ) ) ;
}
}
else if( IsRTLEnabled() )
{
OutputDevice *pOutDevRef = this;
// mirror this window back
tools::Long devX = pOutDevRef->mnOutOffX; // re-mirrored mnOutOffX
rSalLayout.DrawBase().setX( pOutDevRef->mnOutWidth - 1 - (rSalLayout.DrawBase().getX() - devX) + devX );
}
rSalLayout.DrawText( *mpGraphics );
rSalLayout.DrawBase().setX( nOldX );
if( bTextLines )
ImplDrawTextLines( rSalLayout,
maFont.GetStrikeout(), maFont.GetUnderline(), maFont.GetOverline(),
maFont.IsWordLineMode(), maFont.IsUnderlineAbove() );
// emphasis marks
if( maFont.GetEmphasisMark() & FontEmphasisMark::Style )
ImplDrawEmphasisMarks( rSalLayout );
}
void OutputDevice::ImplDrawSpecialText( SalLayout& rSalLayout )
{
Color aOldColor = GetTextColor();
Color aOldTextLineColor = GetTextLineColor();
Color aOldOverlineColor = GetOverlineColor();
FontRelief eRelief = maFont.GetRelief();
basegfx::B2DPoint aOrigPos = rSalLayout.DrawBase();
if ( eRelief != FontRelief::NONE )
{
Color aReliefColor( COL_LIGHTGRAY );
Color aTextColor( aOldColor );
Color aTextLineColor( aOldTextLineColor );
Color aOverlineColor( aOldOverlineColor );
// we don't have an automatic color, so black is always drawn on white
if ( aTextColor == COL_BLACK )
aTextColor = COL_WHITE;
if ( aTextLineColor == COL_BLACK )
aTextLineColor = COL_WHITE;
if ( aOverlineColor == COL_BLACK )
aOverlineColor = COL_WHITE;
// relief-color is black for white text, in all other cases
// we set this to LightGray
// coverity[copy_paste_error: FALSE] - this is intentional
if ( aTextColor == COL_WHITE )
aReliefColor = COL_BLACK;
SetTextLineColor( aReliefColor );
SetOverlineColor( aReliefColor );
SetTextColor( aReliefColor );
ImplInitTextColor();
// calculate offset - for high resolution printers the offset
// should be greater so that the effect is visible
tools::Long nOff = 1;
nOff += mnDPIX/300;
if ( eRelief == FontRelief::Engraved )
nOff = -nOff;
auto aPrevOffset = rSalLayout.DrawOffset();
rSalLayout.DrawOffset()
+= basegfx::B2DPoint{ static_cast<double>(nOff), static_cast<double>(nOff) };
ImplDrawTextDirect(rSalLayout, mbTextLines);
rSalLayout.DrawOffset() = aPrevOffset;
SetTextLineColor( aTextLineColor );
SetOverlineColor( aOverlineColor );
SetTextColor( aTextColor );
ImplInitTextColor();
ImplDrawTextDirect( rSalLayout, mbTextLines );
SetTextLineColor( aOldTextLineColor );
SetOverlineColor( aOldOverlineColor );
if ( aTextColor != aOldColor )
{
SetTextColor( aOldColor );
ImplInitTextColor();
}
}
else
{
if ( maFont.IsShadow() )
{
tools::Long nOff = 1 + ((mpFontInstance->mnLineHeight-24)/24);
if ( maFont.IsOutline() )
nOff++;
SetTextLineColor();
SetOverlineColor();
if ( (GetTextColor() == COL_BLACK)
|| (GetTextColor().GetLuminance() < 8) )
SetTextColor( COL_LIGHTGRAY );
else
SetTextColor( COL_BLACK );
ImplInitTextColor();
rSalLayout.DrawBase() += basegfx::B2DPoint( nOff, nOff );
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() -= basegfx::B2DPoint( nOff, nOff );
SetTextColor( aOldColor );
SetTextLineColor( aOldTextLineColor );
SetOverlineColor( aOldOverlineColor );
ImplInitTextColor();
if ( !maFont.IsOutline() )
ImplDrawTextDirect( rSalLayout, mbTextLines );
}
if ( maFont.IsOutline() )
{
rSalLayout.DrawBase() = aOrigPos + basegfx::B2DPoint(-1,-1);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() = aOrigPos + basegfx::B2DPoint(+1,+1);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() = aOrigPos + basegfx::B2DPoint(-1,+0);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() = aOrigPos + basegfx::B2DPoint(-1,+1);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() = aOrigPos + basegfx::B2DPoint(+0,+1);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() = aOrigPos + basegfx::B2DPoint(+0,-1);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() = aOrigPos + basegfx::B2DPoint(+1,-1);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() = aOrigPos + basegfx::B2DPoint(+1,+0);
ImplDrawTextDirect( rSalLayout, mbTextLines );
rSalLayout.DrawBase() = aOrigPos;
SetTextColor( COL_WHITE );
SetTextLineColor( COL_WHITE );
SetOverlineColor( COL_WHITE );
ImplInitTextColor();
ImplDrawTextDirect( rSalLayout, mbTextLines );
SetTextColor( aOldColor );
SetTextLineColor( aOldTextLineColor );
SetOverlineColor( aOldOverlineColor );
ImplInitTextColor();
}
}
}
void OutputDevice::ImplDrawText( SalLayout& rSalLayout )
{
if( mbInitClipRegion )
InitClipRegion();
if( mbOutputClipped )
return;
if( mbInitTextColor )
ImplInitTextColor();
rSalLayout.DrawBase() += basegfx::B2DPoint(mnTextOffX, mnTextOffY);
if( IsTextFillColor() )
ImplDrawTextBackground( rSalLayout );
if( mbTextSpecial )
ImplDrawSpecialText( rSalLayout );
else
ImplDrawTextDirect( rSalLayout, mbTextLines );
}
void OutputDevice::SetTextColor( const Color& rColor )
{
Color aColor(vcl::drawmode::GetTextColor(rColor, GetDrawMode(), GetSettings().GetStyleSettings()));
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextColorAction( aColor ) );
if ( maTextColor != aColor )
{
maTextColor = aColor;
mbInitTextColor = true;
}
if( mpAlphaVDev )
mpAlphaVDev->SetTextColor( COL_ALPHA_OPAQUE );
}
void OutputDevice::SetTextFillColor()
{
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextFillColorAction( Color(), false ) );
if ( maFont.GetColor() != COL_TRANSPARENT ) {
maFont.SetFillColor( COL_TRANSPARENT );
}
if ( !maFont.IsTransparent() )
maFont.SetTransparent( true );
if( mpAlphaVDev )
mpAlphaVDev->SetTextFillColor();
}
void OutputDevice::SetTextFillColor( const Color& rColor )
{
Color aColor(vcl::drawmode::GetFillColor(rColor, GetDrawMode(), GetSettings().GetStyleSettings()));
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextFillColorAction( aColor, true ) );
if ( maFont.GetFillColor() != aColor )
maFont.SetFillColor( aColor );
if ( maFont.IsTransparent() != rColor.IsTransparent() )
maFont.SetTransparent( rColor.IsTransparent() );
if( mpAlphaVDev )
mpAlphaVDev->SetTextFillColor( COL_ALPHA_OPAQUE );
}
Color OutputDevice::GetTextFillColor() const
{
if ( maFont.IsTransparent() )
return COL_TRANSPARENT;
else
return maFont.GetFillColor();
}
void OutputDevice::SetTextAlign( TextAlign eAlign )
{
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextAlignAction( eAlign ) );
if ( maFont.GetAlignment() != eAlign )
{
maFont.SetAlignment( eAlign );
mbNewFont = true;
}
if( mpAlphaVDev )
mpAlphaVDev->SetTextAlign( eAlign );
}
vcl::Region OutputDevice::GetOutputBoundsClipRegion() const
{
return GetClipRegion();
}
const SalLayoutFlags eDefaultLayout = SalLayoutFlags::NONE;
void OutputDevice::DrawText( const Point& rStartPt, const OUString& rStr,
sal_Int32 nIndex, sal_Int32 nLen,
std::vector< tools::Rectangle >* pVector, OUString* pDisplayText,
const SalLayoutGlyphs* pLayoutCache
)
{
assert(!is_double_buffered_window());
if( (nLen < 0) || (nIndex + nLen > rStr.getLength()))
{
nLen = rStr.getLength() - nIndex;
}
if (mpOutDevData->mpRecordLayout)
{
pVector = &mpOutDevData->mpRecordLayout->m_aUnicodeBoundRects;
pDisplayText = &mpOutDevData->mpRecordLayout->m_aDisplayText;
}
#if OSL_DEBUG_LEVEL > 2
SAL_INFO("vcl.gdi", "OutputDevice::DrawText(\"" << rStr << "\")");
#endif
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextAction( rStartPt, rStr, nIndex, nLen ) );
if( pVector )
{
vcl::Region aClip(GetOutputBoundsClipRegion());
if (mpOutDevData->mpRecordLayout)
{
mpOutDevData->mpRecordLayout->m_aLineIndices.push_back( mpOutDevData->mpRecordLayout->m_aDisplayText.getLength() );
aClip.Intersect( mpOutDevData->maRecordRect );
}
if( ! aClip.IsNull() )
{
std::vector< tools::Rectangle > aTmp;
GetGlyphBoundRects( rStartPt, rStr, nIndex, nLen, aTmp );
bool bInserted = false;
for( std::vector< tools::Rectangle >::const_iterator it = aTmp.begin(); it != aTmp.end(); ++it, nIndex++ )
{
bool bAppend = false;
if( aClip.Overlaps( *it ) )
bAppend = true;
else if( rStr[ nIndex ] == ' ' && bInserted )
{
std::vector< tools::Rectangle >::const_iterator next = it;
++next;
if( next != aTmp.end() && aClip.Overlaps( *next ) )
bAppend = true;
}
if( bAppend )
{
pVector->push_back( *it );
if( pDisplayText )
*pDisplayText += OUStringChar(rStr[ nIndex ]);
bInserted = true;
}
}
}
else
{
GetGlyphBoundRects( rStartPt, rStr, nIndex, nLen, *pVector );
if( pDisplayText )
*pDisplayText += rStr.subView( nIndex, nLen );
}
}
if ( !IsDeviceOutputNecessary() || pVector )
return;
if(mpFontInstance)
// do not use cache with modified string
if(mpFontInstance->mpConversion)
pLayoutCache = nullptr;
std::unique_ptr<SalLayout> pSalLayout = ImplLayout(rStr, nIndex, nLen, rStartPt, 0, {}, {}, eDefaultLayout, nullptr, pLayoutCache);
if(pSalLayout)
{
ImplDrawText( *pSalLayout );
}
if( mpAlphaVDev )
mpAlphaVDev->DrawText( rStartPt, rStr, nIndex, nLen, pVector, pDisplayText );
}
tools::Long OutputDevice::GetTextWidth( const OUString& rStr, sal_Int32 nIndex, sal_Int32 nLen,
vcl::text::TextLayoutCache const*const pLayoutCache,
SalLayoutGlyphs const*const pSalLayoutCache) const
{
double nWidth = GetTextWidthDouble(rStr, nIndex, nLen, pLayoutCache, pSalLayoutCache);
return basegfx::fround<tools::Long>(nWidth);
}
double OutputDevice::GetTextWidthDouble(const OUString& rStr, sal_Int32 nIndex, sal_Int32 nLen,
vcl::text::TextLayoutCache const* const pLayoutCache,
SalLayoutGlyphs const* const pSalLayoutCache) const
{
return GetTextArray(rStr, nullptr, nIndex, nLen, false, pLayoutCache, pSalLayoutCache).nWidth;
}
tools::Long OutputDevice::GetTextHeight() const
{
if (!InitFont())
return 0;
tools::Long nHeight = mpFontInstance->mnLineHeight + mnEmphasisAscent + mnEmphasisDescent;
if ( mbMap )
nHeight = ImplDevicePixelToLogicHeight( nHeight );
return nHeight;
}
double OutputDevice::GetTextHeightDouble() const
{
if (!InitFont())
return 0;
tools::Long nHeight = mpFontInstance->mnLineHeight + mnEmphasisAscent + mnEmphasisDescent;
return ImplDevicePixelToLogicHeightDouble(nHeight);
}
float OutputDevice::approximate_char_width() const
{
//note pango uses "The quick brown fox jumps over the lazy dog." for english
//and has a bunch of per-language strings which corresponds somewhat with
//makeRepresentativeText in include/svtools/sampletext.hxx
return GetTextWidth(u"aemnnxEM"_ustr) / 8.0;
}
float OutputDevice::approximate_digit_width() const
{
return GetTextWidth(u"0123456789"_ustr) / 10.0;
}
void OutputDevice::DrawPartialTextArray(const Point& rStartPt, const OUString& rStr,
KernArraySpan pDXArray,
std::span<const sal_Bool> pKashidaArray, sal_Int32 nIndex,
sal_Int32 nLen, sal_Int32 nPartIndex, sal_Int32 nPartLen,
SalLayoutFlags flags, const SalLayoutGlyphs* pLayoutCache)
{
assert(!is_double_buffered_window());
if (nLen < 0 || nIndex + nLen >= rStr.getLength())
{
nLen = rStr.getLength() - nIndex;
}
if (nPartLen < 0 || nPartIndex + nPartLen >= rStr.getLength())
{
nPartLen = rStr.getLength() - nPartIndex;
}
if (mpMetaFile)
{
mpMetaFile->AddAction(new MetaTextArrayAction(rStartPt, rStr, pDXArray, pKashidaArray,
nPartIndex, nPartLen, nIndex, nLen));
}
if (!IsDeviceOutputNecessary())
return;
if (!mpGraphics && !AcquireGraphics())
return;
assert(mpGraphics);
if (mbInitClipRegion)
InitClipRegion();
if (mbOutputClipped)
return;
// Adding the UnclusteredGlyphs flag during layout enables per-glyph styling.
std::unique_ptr<SalLayout> pSalLayout
= ImplLayout(rStr, nIndex, nLen, rStartPt, 0, pDXArray, pKashidaArray,
flags | SalLayoutFlags::UnclusteredGlyphs, nullptr, pLayoutCache,
/*pivot cluster*/ nPartIndex,
/*min cluster*/ nPartIndex,
/*end cluster*/ nPartIndex + nPartLen);
if (pSalLayout)
{
ImplDrawText(*pSalLayout);
}
if (mpAlphaVDev)
{
mpAlphaVDev->DrawPartialTextArray(rStartPt, rStr, pDXArray, pKashidaArray, nIndex, nLen,
nPartIndex, nPartLen, flags, pLayoutCache);
}
}
void OutputDevice::DrawTextArray( const Point& rStartPt, const OUString& rStr,
KernArraySpan pDXAry,
std::span<const sal_Bool> pKashidaAry,
sal_Int32 nIndex, sal_Int32 nLen, SalLayoutFlags flags,
const SalLayoutGlyphs* pSalLayoutCache )
{
assert(!is_double_buffered_window());
if( nLen < 0 || nIndex + nLen >= rStr.getLength() )
{
nLen = rStr.getLength() - nIndex;
}
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaTextArrayAction( rStartPt, rStr, pDXAry, pKashidaAry, nIndex, nLen ) );
if ( !IsDeviceOutputNecessary() )
return;
if( !mpGraphics && !AcquireGraphics() )
return;
assert(mpGraphics);
if( mbInitClipRegion )
InitClipRegion();
if( mbOutputClipped )
return;
std::unique_ptr<SalLayout> pSalLayout = ImplLayout(rStr, nIndex, nLen, rStartPt, 0, pDXAry, pKashidaAry, flags, nullptr, pSalLayoutCache);
if( pSalLayout )
{
ImplDrawText( *pSalLayout );
}
if( mpAlphaVDev )
mpAlphaVDev->DrawTextArray( rStartPt, rStr, pDXAry, pKashidaAry, nIndex, nLen, flags );
}
vcl::TextArrayMetrics
OutputDevice::GetTextArray(const OUString& rStr, KernArray* pKernArray, sal_Int32 nIndex,
sal_Int32 nLen, bool bCaret,
vcl::text::TextLayoutCache const* const pLayoutCache,
SalLayoutGlyphs const* const pSalLayoutCache) const
{
return GetPartialTextArray(rStr, pKernArray, nIndex, nLen, nIndex, nLen, bCaret, pLayoutCache,
pSalLayoutCache);
}
vcl::TextArrayMetrics
OutputDevice::GetPartialTextArray(const OUString& rStr, KernArray* pKernArray, sal_Int32 nIndex,
sal_Int32 nLen, sal_Int32 nPartIndex, sal_Int32 nPartLen,
bool bCaret, const vcl::text::TextLayoutCache* pLayoutCache,
const SalLayoutGlyphs* pSalLayoutCache) const
{
if (nIndex >= rStr.getLength())
{
return {}; // TODO: this looks like a buggy caller?
}
if( nLen < 0 || nIndex + nLen >= rStr.getLength() )
{
nLen = rStr.getLength() - nIndex;
}
if (nPartLen < 0 || nPartIndex + nPartLen >= rStr.getLength())
{
nPartLen = rStr.getLength() - nPartIndex;
}
KernArray* pDXAry = pKernArray;
// do layout
std::unique_ptr<SalLayout> pSalLayout;
if (nIndex == nPartIndex && nLen == nPartLen)
{
pSalLayout = ImplLayout(rStr, nIndex, nLen, Point{ 0, 0 }, 0, {}, {}, eDefaultLayout,
pLayoutCache, pSalLayoutCache);
}
else
{
pSalLayout = ImplLayout(rStr, nIndex, nLen, Point{ 0, 0 }, 0, {}, {}, eDefaultLayout,
pLayoutCache, pSalLayoutCache,
/*pivot cluster*/ nPartIndex,
/*min cluster*/ nPartIndex,
/*end cluster*/ nPartIndex + nPartLen);
}
if( !pSalLayout )
{
// The caller expects this to init the elements of pDXAry.
// Adapting all the callers to check that GetTextArray succeeded seems
// too much work.
// Init here to 0 only in the (rare) error case, so that any missing
// element init in the happy case will still be found by tools,
// and hope that is sufficient.
if (pDXAry)
{
pDXAry->resize(nPartLen);
std::fill(pDXAry->begin(), pDXAry->end(), 0);
}
return {};
}
std::vector<double> aDXPixelArray;
std::vector<double>* pDXPixelArray = nullptr;
if(pDXAry)
{
aDXPixelArray.resize(nPartLen);
pDXPixelArray = &aDXPixelArray;
}
double nWidth = 0.0;
// Fall back to the unbounded DX array when there is no expanded layout context. This is
// necessary for certain situations where characters are appended to the input string, such as
// automatic ellipsis.
if (nIndex == nPartIndex && nLen == nPartLen)
{
nWidth = pSalLayout->FillDXArray(pDXPixelArray, bCaret ? rStr : OUString());
}
else
{
nWidth = pSalLayout->FillPartialDXArray(pDXPixelArray, bCaret ? rStr : OUString(),
nPartIndex - nIndex, nPartLen);
}
// convert virtual char widths to virtual absolute positions
if( pDXPixelArray )
{
for (int i = 1; i < nPartLen; ++i)
{
(*pDXPixelArray)[i] += (*pDXPixelArray)[i - 1];
}
}
// convert from font units to logical units
if (pDXPixelArray)
{
assert(pKernArray && "pDXPixelArray depends on pKernArray existing");
if (mbMap)
{
for (int i = 0; i < nPartLen; ++i)
(*pDXPixelArray)[i] = ImplDevicePixelToLogicWidthDouble((*pDXPixelArray)[i]);
}
}
if (pDXAry)
{
pDXAry->resize(nPartLen);
for (int i = 0; i < nPartLen; ++i)
(*pDXAry)[i] = (*pDXPixelArray)[i];
}
vcl::TextArrayMetrics stReturnValue;
basegfx::B2DRectangle stRect;
if (pSalLayout->GetBoundRect(stRect))
{
auto stRect2 = SalLayout::BoundRect2Rectangle(stRect);
stReturnValue.aBounds = ImplDevicePixelToLogic(stRect2);
}
stReturnValue.nWidth = ImplDevicePixelToLogicWidthDouble(nWidth);
return stReturnValue;
}
void OutputDevice::GetCaretPositions( const OUString& rStr, KernArray& rCaretPos,
sal_Int32 nIndex, sal_Int32 nLen,
const SalLayoutGlyphs* pGlyphs ) const
{
if( nIndex >= rStr.getLength() )
return;
if( nIndex+nLen >= rStr.getLength() )
nLen = rStr.getLength() - nIndex;
sal_Int32 nCaretPos = nLen * 2;
rCaretPos.resize(nCaretPos);
// do layout
std::unique_ptr<SalLayout> pSalLayout = ImplLayout(rStr, nIndex, nLen, Point(0, 0), 0, {}, {},
eDefaultLayout, nullptr, pGlyphs);
if( !pSalLayout )
{
std::fill(rCaretPos.begin(), rCaretPos.end(), -1);
return;
}
std::vector<double> aCaretPixelPos;
pSalLayout->GetCaretPositions(aCaretPixelPos, rStr);
// fixup unknown caret positions
int i;
for (i = 0; i < nCaretPos; ++i)
if (aCaretPixelPos[i] >= 0)
break;
double nXPos = (i < nCaretPos) ? aCaretPixelPos[i] : -1;
for (i = 0; i < nCaretPos; ++i)
{
if (aCaretPixelPos[i] >= 0)
nXPos = aCaretPixelPos[i];
else
aCaretPixelPos[i] = nXPos;
}
// handle window mirroring
if( IsRTLEnabled() )
{
double nWidth = pSalLayout->GetTextWidth();
for (i = 0; i < nCaretPos; ++i)
aCaretPixelPos[i] = nWidth - aCaretPixelPos[i] - 1;
}
// convert from font units to logical units
if( mbMap )
{
for (i = 0; i < nCaretPos; ++i)
aCaretPixelPos[i] = ImplDevicePixelToLogicWidthDouble(aCaretPixelPos[i]);
}
for (i = 0; i < nCaretPos; ++i)
rCaretPos[i] = aCaretPixelPos[i];
}
void OutputDevice::DrawStretchText( const Point& rStartPt, sal_Int32 nWidth,
const OUString& rStr,
sal_Int32 nIndex, sal_Int32 nLen)
{
assert(!is_double_buffered_window());
if( (nLen < 0) || (nIndex + nLen >= rStr.getLength()))
{
nLen = rStr.getLength() - nIndex;
}
if ( mpMetaFile )
mpMetaFile->AddAction( new MetaStretchTextAction( rStartPt, nWidth, rStr, nIndex, nLen ) );
if ( !IsDeviceOutputNecessary() )
return;
std::unique_ptr<SalLayout> pSalLayout = ImplLayout(rStr, nIndex, nLen, rStartPt, nWidth);
if( pSalLayout )
{
ImplDrawText( *pSalLayout );
}
if( mpAlphaVDev )
mpAlphaVDev->DrawStretchText( rStartPt, nWidth, rStr, nIndex, nLen );
}
vcl::text::ImplLayoutArgs OutputDevice::ImplPrepareLayoutArgs( OUString& rStr,
const sal_Int32 nMinIndex, const sal_Int32 nLen,
double nPixelWidth,
SalLayoutFlags nLayoutFlags,
vcl::text::TextLayoutCache const*const pLayoutCache) const
{
assert(nMinIndex >= 0);
assert(nLen >= 0);
// get string length for calculating extents
sal_Int32 nEndIndex = rStr.getLength();
if( nMinIndex + nLen < nEndIndex )
nEndIndex = nMinIndex + nLen;
// don't bother if there is nothing to do
if( nEndIndex < nMinIndex )
nEndIndex = nMinIndex;
nLayoutFlags |= GetBiDiLayoutFlags( rStr, nMinIndex, nEndIndex );
if( !maFont.IsKerning() )
nLayoutFlags |= SalLayoutFlags::DisableKerning;
if( maFont.GetKerning() & FontKerning::Asian )
nLayoutFlags |= SalLayoutFlags::KerningAsian;
if( maFont.IsVertical() )
nLayoutFlags |= SalLayoutFlags::Vertical;
if( maFont.IsFixKerning() ||
( mpFontInstance && mpFontInstance->GetFontSelectPattern().GetPitch() == PITCH_FIXED ) )
nLayoutFlags |= SalLayoutFlags::DisableLigatures;
if( meTextLanguage ) //TODO: (mnTextLayoutMode & vcl::text::ComplexTextLayoutFlags::SubstituteDigits)
{
// disable character localization when no digits used
const sal_Unicode* pBase = rStr.getStr();
const sal_Unicode* pStr = pBase + nMinIndex;
const sal_Unicode* pEnd = pBase + nEndIndex;
std::optional<OUStringBuffer> xTmpStr;
for( ; pStr < pEnd; ++pStr )
{
// TODO: are there non-digit localizations?
if( (*pStr >= '0') && (*pStr <= '9') )
{
// translate characters to local preference
sal_UCS4 cChar = GetLocalizedChar( *pStr, meTextLanguage );
if( cChar != *pStr )
{
if (!xTmpStr)
xTmpStr = OUStringBuffer(rStr);
// TODO: are the localized digit surrogates?
(*xTmpStr)[pStr - pBase] = cChar;
}
}
}
if (xTmpStr)
rStr = (*xTmpStr).makeStringAndClear();
}
// right align for RTL text, DRAWPOS_REVERSED, RTL window style
bool bRightAlign = bool(mnTextLayoutMode & vcl::text::ComplexTextLayoutFlags::BiDiRtl);
if( mnTextLayoutMode & vcl::text::ComplexTextLayoutFlags::TextOriginLeft )
bRightAlign = false;
else if ( mnTextLayoutMode & vcl::text::ComplexTextLayoutFlags::TextOriginRight )
bRightAlign = true;
// SSA: hack for western office, ie text get right aligned
// for debugging purposes of mirrored UI
bool bRTLWindow = IsRTLEnabled();
bRightAlign ^= bRTLWindow;
if( bRightAlign )
nLayoutFlags |= SalLayoutFlags::RightAlign;
// set layout options
vcl::text::ImplLayoutArgs aLayoutArgs(rStr, nMinIndex, nEndIndex, nLayoutFlags, maFont.GetLanguageTag(), pLayoutCache);
Degree10 nOrientation = mpFontInstance ? mpFontInstance->mnOrientation : 0_deg10;
aLayoutArgs.SetOrientation( nOrientation );
aLayoutArgs.SetLayoutWidth( nPixelWidth );
return aLayoutArgs;
}
SalLayoutFlags OutputDevice::GetBiDiLayoutFlags( std::u16string_view rStr,
const sal_Int32 nMinIndex,
const sal_Int32 nEndIndex ) const
{
SalLayoutFlags nLayoutFlags = SalLayoutFlags::NONE;
if( mnTextLayoutMode & vcl::text::ComplexTextLayoutFlags::BiDiRtl )
nLayoutFlags |= SalLayoutFlags::BiDiRtl;
if( mnTextLayoutMode & vcl::text::ComplexTextLayoutFlags::BiDiStrong )
nLayoutFlags |= SalLayoutFlags::BiDiStrong;
else if( !(mnTextLayoutMode & vcl::text::ComplexTextLayoutFlags::BiDiRtl) )
{
// Disable Bidi if no RTL hint and only known LTR codes used.
bool bAllLtr = true;
for (sal_Int32 i = nMinIndex; i < nEndIndex; i++)
{
// [0x0000, 0x052F] are Latin, Greek and Cyrillic.
// [0x0370, 0x03FF] has a few holes as if Unicode 10.0.0, but
// hopefully no RTL character will be encoded there.
if (rStr[i] > 0x052F)
{
bAllLtr = false;
break;
}
}
if (bAllLtr)
nLayoutFlags |= SalLayoutFlags::BiDiStrong;
}
return nLayoutFlags;
}
static OutputDevice::FontMappingUseData* fontMappingUseData = nullptr;
static inline bool IsTrackingFontMappingUse()
{
return fontMappingUseData != nullptr;
}
static void TrackFontMappingUse( const vcl::Font& originalFont, const SalLayout* salLayout)
{
assert(fontMappingUseData);
OUString originalName = originalFont.GetStyleName().isEmpty()
? originalFont.GetFamilyName()
: originalFont.GetFamilyName() + "/" + originalFont.GetStyleName();
std::vector<OUString> usedFontNames;
SalLayoutGlyphs glyphs = salLayout->GetGlyphs(); // includes all font fallbacks
int level = 0;
while( const SalLayoutGlyphsImpl* impl = glyphs.Impl(level++))
{
const vcl::font::PhysicalFontFace* face = impl->GetFont()->GetFontFace();
OUString name = face->GetStyleName().isEmpty()
? face->GetFamilyName()
: face->GetFamilyName() + "/" + face->GetStyleName();
usedFontNames.push_back( name );
}
for( OutputDevice::FontMappingUseItem& item : *fontMappingUseData )
{
if( item.mOriginalFont == originalName && item.mUsedFonts == usedFontNames )
{
++item.mCount;
return;
}
}
fontMappingUseData->push_back( { originalName, std::move(usedFontNames), 1 } );
}
void OutputDevice::StartTrackingFontMappingUse()
{
delete fontMappingUseData;
fontMappingUseData = new FontMappingUseData;
}
OutputDevice::FontMappingUseData OutputDevice::FinishTrackingFontMappingUse()
{
if(!fontMappingUseData)
return {};
FontMappingUseData ret = std::move( *fontMappingUseData );
delete fontMappingUseData;
fontMappingUseData = nullptr;
return ret;
}
std::unique_ptr<SalLayout> OutputDevice::ImplLayout(
const OUString& rOrigStr, sal_Int32 nMinIndex, sal_Int32 nLen, const Point& rLogicalPos,
tools::Long nLogicalWidth, KernArraySpan pDXArray, std::span<const sal_Bool> pKashidaArray,
SalLayoutFlags flags, vcl::text::TextLayoutCache const* pLayoutCache,
const SalLayoutGlyphs* pGlyphs, std::optional<sal_Int32> nDrawOriginCluster,
std::optional<sal_Int32> nDrawMinCharPos, std::optional<sal_Int32> nDrawEndCharPos) const
{
if (pGlyphs && !pGlyphs->IsValid())
{
SAL_WARN("vcl", "Trying to setup invalid cached glyphs - falling back to relayout!");
pGlyphs = nullptr;
}
#ifdef DBG_UTIL
if (pGlyphs)
{
for( int level = 0;; ++level )
{
SalLayoutGlyphsImpl* glyphsImpl = pGlyphs->Impl(level);
if(glyphsImpl == nullptr)
break;
// It is allowed to reuse only glyphs created with SalLayoutFlags::GlyphItemsOnly.
// If the glyphs have already been used, the AdjustLayout() call below might have
// altered them (MultiSalLayout::ImplAdjustMultiLayout() drops glyphs that need
// fallback from the base layout, but then GenericSalLayout::LayoutText()
// would not know to call SetNeedFallback()).
assert(glyphsImpl->GetFlags() & SalLayoutFlags::GlyphItemsOnly);
}
}
#endif
if (!InitFont())
return nullptr;
// check string index and length
if( -1 == nLen || nMinIndex + nLen > rOrigStr.getLength() )
{
const sal_Int32 nNewLen = rOrigStr.getLength() - nMinIndex;
if( nNewLen <= 0 )
return nullptr;
nLen = nNewLen;
}
OUString aStr = rOrigStr;
// recode string if needed
if( mpFontInstance->mpConversion ) {
mpFontInstance->mpConversion->RecodeString( aStr, 0, aStr.getLength() );
pLayoutCache = nullptr; // don't use cache with modified string!
pGlyphs = nullptr;
}
double nPixelWidth = nLogicalWidth;
if( nLogicalWidth && mbMap )
{
// convert from logical units to physical units
nPixelWidth = ImplLogicWidthToDeviceSubPixel(nLogicalWidth);
}
vcl::text::ImplLayoutArgs aLayoutArgs = ImplPrepareLayoutArgs( aStr, nMinIndex, nLen,
nPixelWidth, flags, pLayoutCache);
if (nDrawOriginCluster.has_value())
{
aLayoutArgs.mnDrawOriginCluster = *nDrawOriginCluster;
}
if (nDrawMinCharPos.has_value())
{
aLayoutArgs.mnDrawMinCharPos = *nDrawMinCharPos;
}
if (nDrawEndCharPos.has_value())
{
aLayoutArgs.mnDrawEndCharPos = *nDrawEndCharPos;
}
double nEndGlyphCoord(0);
if (!pDXArray.empty() || !pKashidaArray.empty())
{
// The provided advance and kashida arrays are indexed relative to the first visible cluster
auto nJustMinCluster = nDrawMinCharPos.value_or(nMinIndex);
auto nJustLen = nLen;
if (nDrawEndCharPos.has_value())
{
nJustLen = *nDrawEndCharPos - nJustMinCluster;
}
JustificationData stJustification{ nJustMinCluster, nJustLen };
if (!pDXArray.empty() && mbMap)
{
// convert from logical units to font units without rounding,
// keeping accuracy for lower levels
for (int i = 0; i < nJustLen; ++i)
{
stJustification.SetTotalAdvance(
nJustMinCluster + i,
ImplLogicWidthToDeviceSubPixel(pDXArray[i]));
}
nEndGlyphCoord = stJustification.GetTotalAdvance(nJustMinCluster + nJustLen - 1);
}
else if (!pDXArray.empty())
{
for (int i = 0; i < nJustLen; ++i)
{
stJustification.SetTotalAdvance(nJustMinCluster + i, pDXArray[i]);
}
nEndGlyphCoord
= std::round(stJustification.GetTotalAdvance(nJustMinCluster + nJustLen - 1));
}
if (!pKashidaArray.empty())
{
for (sal_Int32 i = 0; i < static_cast<sal_Int32>(pKashidaArray.size()); ++i)
{
stJustification.SetKashidaPosition(nJustMinCluster + i,
static_cast<bool>(pKashidaArray[i]));
}
}
aLayoutArgs.SetJustificationData(std::move(stJustification));
}
// get matching layout object for base font
std::unique_ptr<SalLayout> pSalLayout = mpGraphics->GetTextLayout(0);
if (pSalLayout)
pSalLayout->SetSubpixelPositioning(mbMap);
// layout text
if( pSalLayout && !pSalLayout->LayoutText( aLayoutArgs, pGlyphs ? pGlyphs->Impl(0) : nullptr ) )
{
pSalLayout.reset();
}
if( !pSalLayout )
return nullptr;
// do glyph fallback if needed
// #105768# avoid fallback for very small font sizes
if (aLayoutArgs.HasFallbackRun() && mpFontInstance->GetFontSelectPattern().mnHeight >= 3)
pSalLayout = ImplGlyphFallbackLayout(std::move(pSalLayout), aLayoutArgs, pGlyphs);
if (flags & SalLayoutFlags::GlyphItemsOnly)
// Return glyph items only after fallback handling. Otherwise they may
// contain invalid glyph IDs.
return pSalLayout;
// position, justify, etc. the layout
pSalLayout->AdjustLayout( aLayoutArgs );
// default to on for pdf export, which uses SubPixelToLogic to convert back to
// the logical coord space, of if we are scaling/mapping
if (mbMap || meOutDevType == OUTDEV_PDF)
pSalLayout->DrawBase() = ImplLogicToDeviceSubPixel(rLogicalPos);
else
{
Point aDevicePos = ImplLogicToDevicePixel(rLogicalPos);
pSalLayout->DrawBase() = basegfx::B2DPoint(aDevicePos.X(), aDevicePos.Y());
}
// adjust to right alignment if necessary
if( aLayoutArgs.mnFlags & SalLayoutFlags::RightAlign )
{
double nRTLOffset;
if (!pDXArray.empty())
nRTLOffset = nEndGlyphCoord;
else if( nPixelWidth )
nRTLOffset = nPixelWidth;
else
nRTLOffset = pSalLayout->GetTextWidth();
pSalLayout->DrawOffset().setX( 1 - nRTLOffset );
}
if(IsTrackingFontMappingUse())
TrackFontMappingUse(GetFont(), pSalLayout.get());
return pSalLayout;
}
std::shared_ptr<const vcl::text::TextLayoutCache> OutputDevice::CreateTextLayoutCache(
OUString const& rString)
{
return vcl::text::TextLayoutCache::Create(rString);
}
bool OutputDevice::GetTextIsRTL( const OUString& rString, sal_Int32 nIndex, sal_Int32 nLen ) const
{
OUString aStr( rString );
vcl::text::ImplLayoutArgs aArgs = ImplPrepareLayoutArgs(aStr, nIndex, nLen, 0);
bool bRTL = false;
int nCharPos = -1;
if (!aArgs.GetNextPos(&nCharPos, &bRTL))
return false;
return (nCharPos != nIndex);
}
sal_Int32 OutputDevice::GetTextBreak( const OUString& rStr, tools::Long nTextWidth,
sal_Int32 nIndex, sal_Int32 nLen,
tools::Long nCharExtra,
vcl::text::TextLayoutCache const*const pLayoutCache,
const SalLayoutGlyphs* pGlyphs) const
{
std::unique_ptr<SalLayout> pSalLayout = ImplLayout( rStr, nIndex, nLen,
Point(0,0), 0, {}, {}, eDefaultLayout, pLayoutCache, pGlyphs);
sal_Int32 nRetVal = -1;
if( pSalLayout )
{
// convert logical widths into layout units
// NOTE: be very careful to avoid rounding errors for nCharExtra case
// problem with rounding errors especially for small nCharExtras
// TODO: remove when layout units have subpixel granularity
tools::Long nSubPixelFactor = 1;
if (!mbMap)
nSubPixelFactor = 64;
double nTextPixelWidth = ImplLogicWidthToDeviceSubPixel(nTextWidth * nSubPixelFactor);
double nExtraPixelWidth = 0;
if( nCharExtra != 0 )
nExtraPixelWidth = ImplLogicWidthToDeviceSubPixel(nCharExtra * nSubPixelFactor);
nRetVal = pSalLayout->GetTextBreak( nTextPixelWidth, nExtraPixelWidth, nSubPixelFactor );
}
return nRetVal;
}
sal_Int32 OutputDevice::GetTextBreak( const OUString& rStr, tools::Long nTextWidth,
sal_Unicode nHyphenChar, sal_Int32& rHyphenPos,
sal_Int32 nIndex, sal_Int32 nLen,
tools::Long nCharExtra,
vcl::text::TextLayoutCache const*const pLayoutCache,
const SalLayoutGlyphs* pGlyphs) const
{
rHyphenPos = -1;
std::unique_ptr<SalLayout> pSalLayout = ImplLayout( rStr, nIndex, nLen,
Point(0,0), 0, {}, {}, eDefaultLayout, pLayoutCache, pGlyphs);
sal_Int32 nRetVal = -1;
if( pSalLayout )
{
// convert logical widths into layout units
// NOTE: be very careful to avoid rounding errors for nCharExtra case
// problem with rounding errors especially for small nCharExtras
// TODO: remove when layout units have subpixel granularity
tools::Long nSubPixelFactor = 1;
if (!mbMap)
nSubPixelFactor = 64;
double nTextPixelWidth = ImplLogicWidthToDeviceSubPixel(nTextWidth * nSubPixelFactor);
double nExtraPixelWidth = 0;
if( nCharExtra != 0 )
nExtraPixelWidth = ImplLogicWidthToDeviceSubPixel(nCharExtra * nSubPixelFactor);
// calculate un-hyphenated break position
nRetVal = pSalLayout->GetTextBreak( nTextPixelWidth, nExtraPixelWidth, nSubPixelFactor );
// calculate hyphenated break position
OUString aHyphenStr(nHyphenChar);
std::unique_ptr<SalLayout> pHyphenLayout = ImplLayout( aHyphenStr, 0, 1 );
if( pHyphenLayout )
{
// calculate subpixel width of hyphenation character
double nHyphenPixelWidth = pHyphenLayout->GetTextWidth() * nSubPixelFactor;
// calculate hyphenated break position
nTextPixelWidth -= nHyphenPixelWidth;
if( nExtraPixelWidth > 0 )
nTextPixelWidth -= nExtraPixelWidth;
rHyphenPos = pSalLayout->GetTextBreak(nTextPixelWidth, nExtraPixelWidth, nSubPixelFactor);
if( rHyphenPos > nRetVal )
rHyphenPos = nRetVal;
}
}
return nRetVal;
}
void OutputDevice::ImplDrawText( OutputDevice& rTargetDevice, const tools::Rectangle& rRect,
const OUString& rOrigStr, DrawTextFlags nStyle,
std::vector< tools::Rectangle >* pVector, OUString* pDisplayText,
vcl::TextLayoutCommon& _rLayout )
{
Color aOldTextColor;
Color aOldTextFillColor;
bool bRestoreFillColor = false;
if ( (nStyle & DrawTextFlags::Disable) && ! pVector )
{
bool bHighContrastBlack = false;
bool bHighContrastWhite = false;
const StyleSettings& rStyleSettings( rTargetDevice.GetSettings().GetStyleSettings() );
if( rStyleSettings.GetHighContrastMode() )
{
Color aCol;
if( rTargetDevice.IsBackground() )
aCol = rTargetDevice.GetBackground().GetColor();
else
// best guess is the face color here
// but it may be totally wrong. the background color
// was typically already reset
aCol = rStyleSettings.GetFaceColor();
bHighContrastBlack = aCol.IsDark();
bHighContrastWhite = aCol.IsBright();
}
aOldTextColor = rTargetDevice.GetTextColor();
if ( rTargetDevice.IsTextFillColor() )
{
bRestoreFillColor = true;
aOldTextFillColor = rTargetDevice.GetTextFillColor();
}
if( bHighContrastBlack )
rTargetDevice.SetTextColor( COL_GREEN );
else if( bHighContrastWhite )
rTargetDevice.SetTextColor( COL_LIGHTGREEN );
else
{
// draw disabled text always without shadow
// as it fits better with native look
rTargetDevice.SetTextColor( rTargetDevice.GetSettings().GetStyleSettings().GetDisableColor() );
}
}
tools::Long nWidth = rRect.GetWidth();
tools::Long nHeight = rRect.GetHeight();
if (nWidth <= 0 || nHeight <= 0)
{
if (nStyle & DrawTextFlags::Clip)
return;
static bool bFuzzing = comphelper::IsFuzzing();
SAL_WARN_IF(bFuzzing, "vcl", "skipping negative rectangle of: " << nWidth << " x " << nHeight);
if (bFuzzing)
return;
}
Point aPos = rRect.TopLeft();
tools::Long nTextHeight = rTargetDevice.GetTextHeight();
TextAlign eAlign = rTargetDevice.GetTextAlign();
sal_Int32 nMnemonicPos = -1;
OUString aStr = rOrigStr;
if ( nStyle & DrawTextFlags::Mnemonic )
aStr = removeMnemonicFromString( aStr, nMnemonicPos );
const bool bDrawMnemonics = !(rTargetDevice.GetSettings().GetStyleSettings().GetOptions() & StyleSettingsOptions::NoMnemonics) && !pVector;
// We treat multiline text differently
if ( nStyle & DrawTextFlags::MultiLine )
{
ImplMultiTextLineInfo aMultiLineInfo;
sal_Int32 i;
sal_Int32 nFormatLines;
if ( nTextHeight )
{
tools::Long nMaxTextWidth = _rLayout.GetTextLines(rRect, nTextHeight, aMultiLineInfo, nWidth, aStr, nStyle);
sal_Int32 nLines = static_cast<sal_Int32>(nHeight/nTextHeight);
OUString aLastLine;
nFormatLines = aMultiLineInfo.Count();
if (nLines <= 0)
nLines = 1;
if ( nFormatLines > nLines )
{
if ( nStyle & DrawTextFlags::EndEllipsis )
{
// Create last line and shorten it
nFormatLines = nLines-1;
ImplTextLineInfo& rLineInfo = aMultiLineInfo.GetLine( nFormatLines );
aLastLine = convertLineEnd(aStr.copy(rLineInfo.GetIndex()), LINEEND_LF);
// Replace all LineFeeds with Spaces
OUStringBuffer aLastLineBuffer(aLastLine);
sal_Int32 nLastLineLen = aLastLineBuffer.getLength();
for ( i = 0; i < nLastLineLen; i++ )
{
if ( aLastLineBuffer[ i ] == '\n' )
aLastLineBuffer[ i ] = ' ';
}
aLastLine = aLastLineBuffer.makeStringAndClear();
aLastLine = _rLayout.GetEllipsisString(aLastLine, nWidth, nStyle);
nStyle &= ~DrawTextFlags(DrawTextFlags::VCenter | DrawTextFlags::Bottom);
nStyle |= DrawTextFlags::Top;
}
}
else
{
if ( nMaxTextWidth <= nWidth )
nStyle &= ~DrawTextFlags::Clip;
}
// Do we need to clip the height?
if ( nFormatLines*nTextHeight > nHeight )
nStyle |= DrawTextFlags::Clip;
// Set clipping
if ( nStyle & DrawTextFlags::Clip )
{
rTargetDevice.Push( vcl::PushFlags::CLIPREGION );
rTargetDevice.IntersectClipRegion( rRect );
}
// Vertical alignment
if ( nStyle & DrawTextFlags::Bottom )
aPos.AdjustY(nHeight-(nFormatLines*nTextHeight) );
else if ( nStyle & DrawTextFlags::VCenter )
aPos.AdjustY((nHeight-(nFormatLines*nTextHeight))/2 );
// Font alignment
if ( eAlign == ALIGN_BOTTOM )
aPos.AdjustY(nTextHeight );
else if ( eAlign == ALIGN_BASELINE )
aPos.AdjustY(rTargetDevice.GetFontMetric().GetAscent() );
// Output all lines except for the last one
for ( i = 0; i < nFormatLines; i++ )
{
ImplTextLineInfo& rLineInfo = aMultiLineInfo.GetLine( i );
if ( nStyle & DrawTextFlags::Right )
aPos.AdjustX(nWidth-rLineInfo.GetWidth() );
else if ( nStyle & DrawTextFlags::Center )
aPos.AdjustX((nWidth-rLineInfo.GetWidth())/2 );
sal_Int32 nIndex = rLineInfo.GetIndex();
sal_Int32 nLineLen = rLineInfo.GetLen();
_rLayout.DrawText( aPos, aStr, nIndex, nLineLen, pVector, pDisplayText );
if ( bDrawMnemonics )
{
if ( (nMnemonicPos >= nIndex) && (nMnemonicPos < nIndex+nLineLen) )
{
tools::Long nMnemonicX;
tools::Long nMnemonicY;
KernArray aDXArray;
_rLayout.GetTextArray(aStr, &aDXArray, nIndex, nLineLen, true);
sal_Int32 nPos = nMnemonicPos - nIndex;
sal_Int32 lc_x1 = nPos ? aDXArray[nPos - 1] : 0;
sal_Int32 lc_x2 = aDXArray[nPos];
double nMnemonicWidth = rTargetDevice.ImplLogicWidthToDeviceSubPixel(std::abs(lc_x1 - lc_x2));
Point aTempPos = rTargetDevice.LogicToPixel( aPos );
nMnemonicX = rTargetDevice.GetOutOffXPixel() + aTempPos.X() + rTargetDevice.ImplLogicWidthToDevicePixel( std::min( lc_x1, lc_x2 ) );
nMnemonicY = rTargetDevice.GetOutOffYPixel() + aTempPos.Y() + rTargetDevice.ImplLogicWidthToDevicePixel( rTargetDevice.GetFontMetric().GetAscent() );
rTargetDevice.ImplDrawMnemonicLine( nMnemonicX, nMnemonicY, nMnemonicWidth );
}
}
aPos.AdjustY(nTextHeight );
aPos.setX( rRect.Left() );
}
// If there still is a last line, we output it left-aligned as the line would be clipped
if ( !aLastLine.isEmpty() )
_rLayout.DrawText( aPos, aLastLine, 0, aLastLine.getLength(), pVector, pDisplayText );
// Reset clipping
if ( nStyle & DrawTextFlags::Clip )
rTargetDevice.Pop();
}
}
else
{
tools::Long nTextWidth = _rLayout.GetTextWidth( aStr, 0, -1 );
// Clip text if needed
if ( nTextWidth > nWidth )
{
if ( nStyle & TEXT_DRAW_ELLIPSIS )
{
aStr = _rLayout.GetEllipsisString(aStr, nWidth, nStyle);
nStyle &= ~DrawTextFlags(DrawTextFlags::Center | DrawTextFlags::Right);
nStyle |= DrawTextFlags::Left;
nTextWidth = _rLayout.GetTextWidth( aStr, 0, aStr.getLength() );
}
}
else
{
if ( nTextHeight <= nHeight )
nStyle &= ~DrawTextFlags::Clip;
}
// horizontal text alignment
if ( nStyle & DrawTextFlags::Right )
aPos.AdjustX(nWidth-nTextWidth );
else if ( nStyle & DrawTextFlags::Center )
aPos.AdjustX((nWidth-nTextWidth)/2 );
// vertical font alignment
if ( eAlign == ALIGN_BOTTOM )
aPos.AdjustY(nTextHeight );
else if ( eAlign == ALIGN_BASELINE )
aPos.AdjustY(rTargetDevice.GetFontMetric().GetAscent() );
if ( nStyle & DrawTextFlags::Bottom )
aPos.AdjustY(nHeight-nTextHeight );
else if ( nStyle & DrawTextFlags::VCenter )
aPos.AdjustY((nHeight-nTextHeight)/2 );
tools::Long nMnemonicX = 0;
tools::Long nMnemonicY = 0;
double nMnemonicWidth = 0;
if (nMnemonicPos != -1 && nMnemonicPos < aStr.getLength())
{
KernArray aDXArray;
_rLayout.GetTextArray(aStr, &aDXArray, 0, aStr.getLength(), true);
tools::Long lc_x1 = nMnemonicPos? aDXArray[nMnemonicPos - 1] : 0;
tools::Long lc_x2 = aDXArray[nMnemonicPos];
nMnemonicWidth = rTargetDevice.ImplLogicWidthToDeviceSubPixel(std::abs(lc_x1 - lc_x2));
Point aTempPos = rTargetDevice.LogicToPixel( aPos );
nMnemonicX = rTargetDevice.GetOutOffXPixel() + aTempPos.X() + rTargetDevice.ImplLogicWidthToDevicePixel( std::min(lc_x1, lc_x2) );
nMnemonicY = rTargetDevice.GetOutOffYPixel() + aTempPos.Y() + rTargetDevice.ImplLogicWidthToDevicePixel( rTargetDevice.GetFontMetric().GetAscent() );
}
if ( nStyle & DrawTextFlags::Clip )
{
rTargetDevice.Push( vcl::PushFlags::CLIPREGION );
rTargetDevice.IntersectClipRegion( rRect );
_rLayout.DrawText( aPos, aStr, 0, aStr.getLength(), pVector, pDisplayText );
if ( bDrawMnemonics && nMnemonicPos != -1 )
rTargetDevice.ImplDrawMnemonicLine( nMnemonicX, nMnemonicY, nMnemonicWidth );
rTargetDevice.Pop();
}
else
{
_rLayout.DrawText( aPos, aStr, 0, aStr.getLength(), pVector, pDisplayText );
if ( bDrawMnemonics && nMnemonicPos != -1 )
rTargetDevice.ImplDrawMnemonicLine( nMnemonicX, nMnemonicY, nMnemonicWidth );
}
}
if ( nStyle & DrawTextFlags::Disable && !pVector )
{
rTargetDevice.SetTextColor( aOldTextColor );
if ( bRestoreFillColor )
rTargetDevice.SetTextFillColor( aOldTextFillColor );
}
}
void OutputDevice::AddTextRectActions( const tools::Rectangle& rRect,
const OUString& rOrigStr,
DrawTextFlags nStyle,
GDIMetaFile& rMtf )
{
if ( rOrigStr.isEmpty() || rRect.IsEmpty() )
return;
// we need a graphics
if( !mpGraphics && !AcquireGraphics() )
return;
assert(mpGraphics);
if( mbInitClipRegion )
InitClipRegion();
// temporarily swap in passed mtf for action generation, and
// disable output generation.
const bool bOutputEnabled( IsOutputEnabled() );
GDIMetaFile* pMtf = mpMetaFile;
mpMetaFile = &rMtf;
EnableOutput( false );
// #i47157# Factored out to ImplDrawTextRect(), to be shared
// between us and DrawText()
vcl::DefaultTextLayout aLayout( *this );
ImplDrawText( *this, rRect, rOrigStr, nStyle, nullptr, nullptr, aLayout );
// and restore again
EnableOutput( bOutputEnabled );
mpMetaFile = pMtf;
}
void OutputDevice::DrawText( const tools::Rectangle& rRect, const OUString& rOrigStr, DrawTextFlags nStyle,
std::vector< tools::Rectangle >* pVector, OUString* pDisplayText,
vcl::TextLayoutCommon* _pTextLayout )
{
assert(!is_double_buffered_window());
if (mpOutDevData->mpRecordLayout)
{
pVector = &mpOutDevData->mpRecordLayout->m_aUnicodeBoundRects;
pDisplayText = &mpOutDevData->mpRecordLayout->m_aDisplayText;
}
bool bDecomposeTextRectAction = ( _pTextLayout != nullptr ) && _pTextLayout->DecomposeTextRectAction();
if ( mpMetaFile && !bDecomposeTextRectAction )
mpMetaFile->AddAction( new MetaTextRectAction( rRect, rOrigStr, nStyle ) );
if ( ( !IsDeviceOutputNecessary() && !pVector && !bDecomposeTextRectAction ) || rOrigStr.isEmpty() || rRect.IsEmpty() )
return;
// we need a graphics
if( !mpGraphics && !AcquireGraphics() )
return;
assert(mpGraphics);
if( mbInitClipRegion )
InitClipRegion();
if (mbOutputClipped && !bDecomposeTextRectAction && !pDisplayText)
return;
// temporarily disable mtf action generation (ImplDrawText _does_
// create MetaActionType::TEXTs otherwise)
GDIMetaFile* pMtf = mpMetaFile;
if ( !bDecomposeTextRectAction )
mpMetaFile = nullptr;
// #i47157# Factored out to ImplDrawText(), to be used also
// from AddTextRectActions()
vcl::DefaultTextLayout aDefaultLayout( *this );
ImplDrawText( *this, rRect, rOrigStr, nStyle, pVector, pDisplayText, _pTextLayout ? *_pTextLayout : aDefaultLayout );
// and enable again
mpMetaFile = pMtf;
if( mpAlphaVDev )
mpAlphaVDev->DrawText( rRect, rOrigStr, nStyle, pVector, pDisplayText );
}
tools::Rectangle OutputDevice::GetTextRect( const tools::Rectangle& rRect,
const OUString& rStr, DrawTextFlags nStyle,
TextRectInfo* pInfo,
const vcl::TextLayoutCommon* _pTextLayout ) const
{
tools::Rectangle aRect = rRect;
sal_Int32 nLines;
tools::Long nWidth = rRect.GetWidth();
tools::Long nMaxWidth;
tools::Long nTextHeight = GetTextHeight();
OUString aStr = rStr;
if ( nStyle & DrawTextFlags::Mnemonic )
aStr = removeMnemonicFromString( aStr );
if ( nStyle & DrawTextFlags::MultiLine )
{
ImplMultiTextLineInfo aMultiLineInfo;
sal_Int32 nFormatLines;
sal_Int32 i;
nMaxWidth = 0;
vcl::DefaultTextLayout aDefaultLayout( *const_cast< OutputDevice* >( this ) );
if (_pTextLayout)
const_cast<vcl::TextLayoutCommon*>(_pTextLayout)->GetTextLines(rRect, nTextHeight, aMultiLineInfo, nWidth, aStr, nStyle);
else
aDefaultLayout.GetTextLines(rRect, nTextHeight, aMultiLineInfo, nWidth, aStr, nStyle);
nFormatLines = aMultiLineInfo.Count();
if ( !nTextHeight )
nTextHeight = 1;
nLines = static_cast<sal_uInt16>(aRect.GetHeight()/nTextHeight);
if ( pInfo )
pInfo->mnLineCount = nFormatLines;
if ( !nLines )
nLines = 1;
if ( nFormatLines <= nLines )
nLines = nFormatLines;
else
{
if ( !(nStyle & DrawTextFlags::EndEllipsis) )
nLines = nFormatLines;
else
{
if ( pInfo )
pInfo->mbEllipsis = true;
nMaxWidth = nWidth;
}
}
if ( pInfo )
{
bool bMaxWidth = nMaxWidth == 0;
pInfo->mnMaxWidth = 0;
for ( i = 0; i < nLines; i++ )
{
ImplTextLineInfo& rLineInfo = aMultiLineInfo.GetLine( i );
if ( bMaxWidth && (rLineInfo.GetWidth() > nMaxWidth) )
nMaxWidth = rLineInfo.GetWidth();
if ( rLineInfo.GetWidth() > pInfo->mnMaxWidth )
pInfo->mnMaxWidth = rLineInfo.GetWidth();
}
}
else if ( !nMaxWidth )
{
for ( i = 0; i < nLines; i++ )
{
ImplTextLineInfo& rLineInfo = aMultiLineInfo.GetLine( i );
if ( rLineInfo.GetWidth() > nMaxWidth )
nMaxWidth = rLineInfo.GetWidth();
}
}
}
else
{
nLines = 1;
nMaxWidth = _pTextLayout ? _pTextLayout->GetTextWidth( aStr, 0, aStr.getLength() ) : GetTextWidth( aStr );
if ( pInfo )
{
pInfo->mnLineCount = 1;
pInfo->mnMaxWidth = nMaxWidth;
}
if ( (nMaxWidth > nWidth) && (nStyle & TEXT_DRAW_ELLIPSIS) )
{
if ( pInfo )
pInfo->mbEllipsis = true;
nMaxWidth = nWidth;
}
}
if ( nStyle & DrawTextFlags::Right )
aRect.SetLeft( aRect.Right()-nMaxWidth+1 );
else if ( nStyle & DrawTextFlags::Center )
{
aRect.AdjustLeft((nWidth-nMaxWidth)/2 );
aRect.SetRight( aRect.Left()+nMaxWidth-1 );
}
else
aRect.SetRight( aRect.Left()+nMaxWidth-1 );
if ( nStyle & DrawTextFlags::Bottom )
aRect.SetTop( aRect.Bottom()-(nTextHeight*nLines)+1 );
else if ( nStyle & DrawTextFlags::VCenter )
{
aRect.AdjustTop((aRect.GetHeight()-(nTextHeight*nLines))/2 );
aRect.SetBottom( aRect.Top()+(nTextHeight*nLines)-1 );
}
else
aRect.SetBottom( aRect.Top()+(nTextHeight*nLines)-1 );
// #99188# get rid of rounding problems when using this rect later
if (nStyle & DrawTextFlags::Right)
aRect.AdjustLeft( -1 );
else
aRect.AdjustRight( 1 );
if (maFont.GetOrientation() != 0_deg10)
{
tools::Polygon aRotatedPolygon(aRect);
aRotatedPolygon.Rotate(Point(aRect.GetWidth() / 2, aRect.GetHeight() / 2), maFont.GetOrientation());
return aRotatedPolygon.GetBoundRect();
}
return aRect;
}
void OutputDevice::DrawCtrlText( const Point& rPos, const OUString& rStr,
const sal_Int32 nIndex, const sal_Int32 nLen,
DrawTextFlags nStyle, std::vector< tools::Rectangle >* pVector, OUString* pDisplayText,
const SalLayoutGlyphs* pGlyphs )
{
assert(!is_double_buffered_window());
if ( !IsDeviceOutputNecessary() || (nIndex >= rStr.getLength()) )
return;
// better get graphics here because ImplDrawMnemonicLine() will not
// we need a graphics
if( !mpGraphics && !AcquireGraphics() )
return;
assert(mpGraphics);
if( mbInitClipRegion )
InitClipRegion();
if ( mbOutputClipped )
return;
// nIndex and nLen must go to mpAlphaVDev->DrawCtrlText unchanged
sal_Int32 nCorrectedIndex = nIndex;
sal_Int32 nCorrectedLen = nLen;
if ((nCorrectedLen < 0) || (nCorrectedIndex + nCorrectedLen >= rStr.getLength()))
{
nCorrectedLen = rStr.getLength() - nCorrectedIndex;
}
sal_Int32 nMnemonicPos = -1;
tools::Long nMnemonicX = 0;
tools::Long nMnemonicY = 0;
tools::Long nMnemonicWidth = 0;
const OUString aStr = removeMnemonicFromString(rStr, nMnemonicPos); // Strip mnemonics always
if (nMnemonicPos != -1)
{
if (nMnemonicPos < nCorrectedIndex)
{
--nCorrectedIndex;
}
else
{
if (nMnemonicPos < (nCorrectedIndex + nCorrectedLen))
--nCorrectedLen;
}
if (nStyle & DrawTextFlags::Mnemonic && !pVector
&& !(GetSettings().GetStyleSettings().GetOptions() & StyleSettingsOptions::NoMnemonics))
{
SAL_WARN_IF( nMnemonicPos >= (nCorrectedIndex+nCorrectedLen), "vcl", "Mnemonic underline marker after last character" );
bool bInvalidPos = false;
if (nMnemonicPos >= nCorrectedLen)
{
// may occur in BiDi-Strings: the '~' is sometimes found behind the last char
// due to some strange BiDi text editors
// -> place the underline behind the string to indicate a failure
bInvalidPos = true;
nMnemonicPos = nCorrectedLen - 1;
}
KernArray aDXArray;
GetTextArray(aStr, &aDXArray, nCorrectedIndex, nCorrectedLen, true, nullptr, pGlyphs);
sal_Int32 nPos = nMnemonicPos - nCorrectedIndex;
sal_Int32 lc_x1 = nPos ? aDXArray[nPos - 1] : 0;
sal_Int32 lc_x2 = aDXArray[nPos];
nMnemonicWidth = std::abs(lc_x1 - lc_x2);
Point aTempPos( std::min(lc_x1,lc_x2), GetFontMetric().GetAscent() );
if( bInvalidPos ) // #106952#, place behind the (last) character
aTempPos = Point( std::max(lc_x1,lc_x2), GetFontMetric().GetAscent() );
aTempPos += rPos;
aTempPos = LogicToPixel( aTempPos );
nMnemonicX = mnOutOffX + aTempPos.X();
nMnemonicY = mnOutOffY + aTempPos.Y();
}
else
nMnemonicPos = -1; // Reset - we don't show the mnemonic
}
std::optional<Color> oOldTextColor;
std::optional<Color> oOldTextFillColor;
if ( nStyle & DrawTextFlags::Disable && ! pVector )
{
bool bHighContrastBlack = false;
bool bHighContrastWhite = false;
const StyleSettings& rStyleSettings( GetSettings().GetStyleSettings() );
if( rStyleSettings.GetHighContrastMode() )
{
if( IsBackground() )
{
Wallpaper aWall = GetBackground();
Color aCol = aWall.GetColor();
bHighContrastBlack = aCol.IsDark();
bHighContrastWhite = aCol.IsBright();
}
}
oOldTextColor = GetTextColor();
if ( IsTextFillColor() )
oOldTextFillColor = GetTextFillColor();
if( bHighContrastBlack )
SetTextColor( COL_GREEN );
else if( bHighContrastWhite )
SetTextColor( COL_LIGHTGREEN );
else
SetTextColor( GetSettings().GetStyleSettings().GetDisableColor() );
}
DrawText(rPos, aStr, nCorrectedIndex, nCorrectedLen, pVector, pDisplayText, pGlyphs);
if (nMnemonicPos != -1)
ImplDrawMnemonicLine(nMnemonicX, nMnemonicY, nMnemonicWidth);
if (oOldTextColor)
SetTextColor( *oOldTextColor );
if (oOldTextFillColor)
SetTextFillColor(*oOldTextFillColor);
if( mpAlphaVDev )
mpAlphaVDev->DrawCtrlText( rPos, rStr, nIndex, nLen, nStyle, pVector, pDisplayText );
}
tools::Long OutputDevice::GetCtrlTextWidth( const OUString& rStr, const SalLayoutGlyphs* pGlyphs ) const
{
sal_Int32 nLen = rStr.getLength();
sal_Int32 nIndex = 0;
sal_Int32 nMnemonicPos;
OUString aStr = removeMnemonicFromString( rStr, nMnemonicPos );
if ( nMnemonicPos != -1 )
{
if ( nMnemonicPos < nIndex )
nIndex--;
else if (static_cast<sal_uLong>(nMnemonicPos) < static_cast<sal_uLong>(nIndex+nLen))
nLen--;
}
return GetTextWidth( aStr, nIndex, nLen, nullptr, pGlyphs );
}
bool OutputDevice::GetTextBoundRect( tools::Rectangle& rRect,
const OUString& rStr, sal_Int32 nBase,
sal_Int32 nIndex, sal_Int32 nLen,
sal_uLong nLayoutWidth, KernArraySpan pDXAry,
std::span<const sal_Bool> pKashidaAry,
const SalLayoutGlyphs* pGlyphs ) const
{
basegfx::B2DRectangle aRect;
bool bRet = GetTextBoundRect(aRect, rStr, nBase, nIndex, nLen, nLayoutWidth, pDXAry,
pKashidaAry, pGlyphs);
rRect = SalLayout::BoundRect2Rectangle(aRect);
return bRet;
}
bool OutputDevice::GetTextBoundRect(basegfx::B2DRectangle& rRect, const OUString& rStr,
sal_Int32 nBase, sal_Int32 nIndex, sal_Int32 nLen,
sal_uLong nLayoutWidth, KernArraySpan pDXAry,
std::span<const sal_Bool> pKashidaAry,
const SalLayoutGlyphs* pGlyphs) const
{
bool bRet = false;
rRect.reset();
std::unique_ptr<SalLayout> pSalLayout;
const Point aPoint;
// calculate offset when nBase!=nIndex
double nXOffset = 0;
if( nBase != nIndex )
{
sal_Int32 nStart = std::min( nBase, nIndex );
sal_Int32 nOfsLen = std::max( nBase, nIndex ) - nStart;
pSalLayout = ImplLayout( rStr, nStart, nOfsLen, aPoint, nLayoutWidth, pDXAry, pKashidaAry );
if( pSalLayout )
{
nXOffset = pSalLayout->GetTextWidth();
// TODO: fix offset calculation for Bidi case
if( nBase < nIndex)
nXOffset = -nXOffset;
}
}
pSalLayout = ImplLayout(rStr, nIndex, nLen, aPoint, nLayoutWidth, pDXAry, pKashidaAry, eDefaultLayout,
nullptr, pGlyphs);
if( pSalLayout )
{
basegfx::B2DRectangle aPixelRect;
bRet = pSalLayout->GetBoundRect(aPixelRect);
if( bRet )
{
basegfx::B2DPoint aPos = pSalLayout->GetDrawPosition(basegfx::B2DPoint(nXOffset, 0));
auto m = basegfx::utils::createTranslateB2DHomMatrix(mnTextOffX - aPos.getX(),
mnTextOffY - aPos.getY());
aPixelRect.transform(m);
rRect = PixelToLogic( aPixelRect );
if (mbMap)
{
m = basegfx::utils::createTranslateB2DHomMatrix(maMapRes.mnMapOfsX,
maMapRes.mnMapOfsY);
rRect.transform(m);
}
}
}
return bRet;
}
bool OutputDevice::GetTextOutlines( basegfx::B2DPolyPolygonVector& rVector,
const OUString& rStr, sal_Int32 nBase,
sal_Int32 nIndex, sal_Int32 nLen,
sal_uLong nLayoutWidth,
KernArraySpan pDXArray,
std::span<const sal_Bool> pKashidaArray ) const
{
if (!InitFont())
return false;
bool bRet = false;
rVector.clear();
if( nLen < 0 )
{
nLen = rStr.getLength() - nIndex;
}
rVector.reserve( nLen );
// we want to get the Rectangle in logical units, so to
// avoid rounding errors we just size the font in logical units
bool bOldMap = mbMap;
if( bOldMap )
{
const_cast<OutputDevice&>(*this).mbMap = false;
const_cast<OutputDevice&>(*this).mbNewFont = true;
}
std::unique_ptr<SalLayout> pSalLayout;
// calculate offset when nBase!=nIndex
double nXOffset = 0;
if( nBase != nIndex )
{
sal_Int32 nStart = std::min( nBase, nIndex );
sal_Int32 nOfsLen = std::max( nBase, nIndex ) - nStart;
pSalLayout = ImplLayout( rStr, nStart, nOfsLen, Point(0,0), nLayoutWidth, pDXArray, pKashidaArray);
if( pSalLayout )
{
nXOffset = pSalLayout->GetTextWidth();
pSalLayout.reset();
// TODO: fix offset calculation for Bidi case
if( nBase > nIndex)
nXOffset = -nXOffset;
}
}
pSalLayout = ImplLayout( rStr, nIndex, nLen, Point(0,0), nLayoutWidth, pDXArray, pKashidaArray );
if( pSalLayout )
{
bRet = pSalLayout->GetOutline(rVector);
if( bRet )
{
// transform polygon to pixel units
basegfx::B2DHomMatrix aMatrix;
if (nXOffset || mnTextOffX || mnTextOffY)
{
basegfx::B2DPoint aRotatedOfs(mnTextOffX, mnTextOffY);
aRotatedOfs -= pSalLayout->GetDrawPosition(basegfx::B2DPoint(nXOffset, 0));
aMatrix.translate( aRotatedOfs.getX(), aRotatedOfs.getY() );
}
if( !aMatrix.isIdentity() )
{
for (auto & elem : rVector)
elem.transform( aMatrix );
}
}
pSalLayout.reset();
}
if( bOldMap )
{
// restore original font size and map mode
const_cast<OutputDevice&>(*this).mbMap = bOldMap;
const_cast<OutputDevice&>(*this).mbNewFont = true;
}
return bRet;
}
bool OutputDevice::GetTextOutlines( PolyPolyVector& rResultVector,
const OUString& rStr, sal_Int32 nBase,
sal_Int32 nIndex, sal_Int32 nLen,
sal_uLong nLayoutWidth, KernArraySpan pDXArray,
std::span<const sal_Bool> pKashidaArray ) const
{
rResultVector.clear();
// get the basegfx polypolygon vector
basegfx::B2DPolyPolygonVector aB2DPolyPolyVector;
if( !GetTextOutlines( aB2DPolyPolyVector, rStr, nBase, nIndex, nLen,
nLayoutWidth, pDXArray, pKashidaArray ) )
return false;
// convert to a tool polypolygon vector
rResultVector.reserve( aB2DPolyPolyVector.size() );
for (auto const& elem : aB2DPolyPolyVector)
rResultVector.emplace_back(elem); // #i76339#
return true;
}
bool OutputDevice::GetTextOutline( tools::PolyPolygon& rPolyPoly, const OUString& rStr ) const
{
rPolyPoly.Clear();
// get the basegfx polypolygon vector
basegfx::B2DPolyPolygonVector aB2DPolyPolyVector;
if( !GetTextOutlines( aB2DPolyPolyVector, rStr, 0/*nBase*/, 0/*nIndex*/, /*nLen*/-1,
/*nLayoutWidth*/0, /*pDXArray*/{} ) )
return false;
// convert and merge into a tool polypolygon
for (auto const& elem : aB2DPolyPolyVector)
for(auto const& rB2DPolygon : elem)
rPolyPoly.Insert(tools::Polygon(rB2DPolygon)); // #i76339#
return true;
}
void OutputDevice::SetSystemTextColor(SystemTextColorFlags nFlags, bool bEnabled)
{
if (nFlags & SystemTextColorFlags::Mono)
{
SetTextColor(COL_BLACK);
}
else
{
if (!bEnabled)
{
const StyleSettings& rStyleSettings = GetSettings().GetStyleSettings();
SetTextColor(rStyleSettings.GetDisableColor());
}
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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